tag:blogger.com,1999:blog-14083680763415055402011-07-28T06:06:40.816-07:00Mukazhttp://www.blogger.com/profile/15712552768581334221noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-1408368076341505540.post-32888674450617381082009-11-21T07:18:00.001-08:002009-11-21T07:18:48.891-08:00Backpacks, if stuffed too full, can be so heavy that they can cause back pain and injury.<br /><br />Here are some warning signs that your child's backpack is too heavy, courtesy of the U.S. National Safety Council:<br />-Your child's posture changes when the backpack is on.<br />-Your child has difficulty putting the backpack on, or taking it off.<br />-Your child has pain while the backpack is on.<br />-Your child feels a sensation of numbness or tingling while wearing the backpack.<br />-Your child has red marks on the shoulders or back from the backpack.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1408368076341505540-3288867445061738108?l=vibasel.blogspot.com' alt='' /></div>Mukazhttp://www.blogger.com/profile/15712552768581334221noreply@blogger.com0